堆叠面积图 - AntV

堆叠面积图

Stacked Area Chart，堆叠面积图。和基本面积图一样，唯一的区别就是图上每一个数据集的起点不同，起点是基于前一个数据集的，用于显示每个数值所占大小随时间或类别变化的趋势线，展示的是部分与整体的关系。

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width,height=device-height">
    <title>堆叠面积图</title>
    <style>::-webkit-scrollbar{display:none;}html,body{overflow:hidden;height:100%;margin:0;}</style>
</head>
<body>
<div id="mountNode"></div>
<script>/*Fixing iframe window.innerHeight 0 issue in Safari*/document.body.clientHeight;</script>
<script src="https://gw.alipayobjects.com/os/antv/pkg/_antv.g2-3.5.1/dist/g2.min.js"></script>
<script src="https://gw.alipayobjects.com/os/antv/pkg/_antv.data-set-0.10.1/dist/data-set.min.js"></script>
<script>
  var data = [{
    country: 'Asia',
    year: '1750',
    value: 502
  }, {
    country: 'Asia',
    year: '1800',
    value: 635
  }, {
    country: 'Asia',
    year: '1850',
    value: 809
  }, {
    country: 'Asia',
    year: '1900',
    value: 5268
  }, {
    country: 'Asia',
    year: '1950',
    value: 4400
  }, {
    country: 'Asia',
    year: '1999',
    value: 3634
  }, {
    country: 'Asia',
    year: '2050',
    value: 947
  }, {
    country: 'Africa',
    year: '1750',
    value: 106
  }, {
    country: 'Africa',
    year: '1800',
    value: 107
  }, {
    country: 'Africa',
    year: '1850',
    value: 111
  }, {
    country: 'Africa',
    year: '1900',
    value: 1766
  }, {
    country: 'Africa',
    year: '1950',
    value: 221
  }, {
    country: 'Africa',
    year: '1999',
    value: 767
  }, {
    country: 'Africa',
    year: '2050',
    value: 133
  }, {
    country: 'Europe',
    year: '1750',
    value: 163
  }, {
    country: 'Europe',
    year: '1800',
    value: 203
  }, {
    country: 'Europe',
    year: '1850',
    value: 276
  }, {
    country: 'Europe',
    year: '1900',
    value: 628
  }, {
    country: 'Europe',
    year: '1950',
    value: 547
  }, {
    country: 'Europe',
    year: '1999',
    value: 729
  }, {
    country: 'Europe',
    year: '2050',
    value: 408
  }, {
    country: 'Oceania',
    year: '1750',
    value: 200
  }, {
    country: 'Oceania',
    year: '1800',
    value: 200
  }, {
    country: 'Oceania',
    year: '1850',
    value: 200
  }, {
    country: 'Oceania',
    year: '1900',
    value: 460
  }, {
    country: 'Oceania',
    year: '1950',
    value: 230
  }, {
    country: 'Oceania',
    year: '1999',
    value: 300
  }, {
    country: 'Oceania',
    year: '2050',
    value: 300
  }];
  var chart = new G2.Chart({
    container: 'mountNode',
    forceFit: true,
    height: window.innerHeight
  });
  chart.source(data, {
    year: {
      type: 'linear',
      tickInterval: 50
    }
  });
  chart.tooltip({
    crosshairs: {
      type: 'line'
    }
  });
  chart.areaStack().position('year*value').color('country');
  chart.lineStack().position('year*value').color('country').size(2);
  chart.render();
</script>
</body>
</html>

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width,height=device-height">
    <title>堆叠面积图</title>
    <style>::-webkit-scrollbar{display:none;}html,body{overflow:hidden;height:100%;margin:0;}</style>
</head>
<body style="background: #1f1f1f;">
<div id="mountNode"></div>
<script>/*Fixing iframe window.innerHeight 0 issue in Safari*/document.body.clientHeight;</script>
<script src="https://gw.alipayobjects.com/os/antv/pkg/_antv.g2-3.5.1/dist/g2.min.js"></script>
<script src="https://gw.alipayobjects.com/os/antv/pkg/_antv.data-set-0.10.1/dist/data-set.min.js"></script>
<script>G2.Global.setTheme('dark');</script>
<script>
  var data = [{
    country: 'Asia',
    year: '1750',
    value: 502
  }, {
    country: 'Asia',
    year: '1800',
    value: 635
  }, {
    country: 'Asia',
    year: '1850',
    value: 809
  }, {
    country: 'Asia',
    year: '1900',
    value: 5268
  }, {
    country: 'Asia',
    year: '1950',
    value: 4400
  }, {
    country: 'Asia',
    year: '1999',
    value: 3634
  }, {
    country: 'Asia',
    year: '2050',
    value: 947
  }, {
    country: 'Africa',
    year: '1750',
    value: 106
  }, {
    country: 'Africa',
    year: '1800',
    value: 107
  }, {
    country: 'Africa',
    year: '1850',
    value: 111
  }, {
    country: 'Africa',
    year: '1900',
    value: 1766
  }, {
    country: 'Africa',
    year: '1950',
    value: 221
  }, {
    country: 'Africa',
    year: '1999',
    value: 767
  }, {
    country: 'Africa',
    year: '2050',
    value: 133
  }, {
    country: 'Europe',
    year: '1750',
    value: 163
  }, {
    country: 'Europe',
    year: '1800',
    value: 203
  }, {
    country: 'Europe',
    year: '1850',
    value: 276
  }, {
    country: 'Europe',
    year: '1900',
    value: 628
  }, {
    country: 'Europe',
    year: '1950',
    value: 547
  }, {
    country: 'Europe',
    year: '1999',
    value: 729
  }, {
    country: 'Europe',
    year: '2050',
    value: 408
  }, {
    country: 'Oceania',
    year: '1750',
    value: 200
  }, {
    country: 'Oceania',
    year: '1800',
    value: 200
  }, {
    country: 'Oceania',
    year: '1850',
    value: 200
  }, {
    country: 'Oceania',
    year: '1900',
    value: 460
  }, {
    country: 'Oceania',
    year: '1950',
    value: 230
  }, {
    country: 'Oceania',
    year: '1999',
    value: 300
  }, {
    country: 'Oceania',
    year: '2050',
    value: 300
  }];
  var chart = new G2.Chart({
    container: 'mountNode',
    forceFit: true,
    height: window.innerHeight
  });
  chart.source(data, {
    year: {
      type: 'linear',
      tickInterval: 50
    }
  });
  chart.tooltip({
    crosshairs: {
      type: 'line'
    }
  });
  chart.areaStack().position('year*value').color('country');
  chart.lineStack().position('year*value').color('country').size(2);
  chart.render();
</script>
</body>
</html>

图表简介

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图表用法

层叠面积图上的最大的面积代表了所有的数据量的总和，是一个整体。各个叠起来的面积表示各个数据量的大小，这些堆叠起来的面积图在表现大数据的总量分量的变化情况时格外有用，所以层叠面积图不适用于表示带有负值的数据集。非常适用于对比多变量随时间变化的情况。

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